Indication systems and methods

Details Indication systems and methods Indication systems and methods

2005-04-26

2005-04-26

O'Shea, Sandra (Department: 2875)

Illumination

Self powered lamp

Generator power source

C362S183000, C362S800000, C136S207000

Reexamination Certificate

active

06883929

ABSTRACT:
Methods and apparatus for generating an information signal. Exemplary methods and apparatus may comprise (A) electrically associating at least one LED with a Seebeck power generator; (B) thermally associating the Seebeck power generator with a surface; and (C) heating the surface to cause the Seebeck power generator to generate electricity to energize the at least one LED. In one example, such methods and apparatus may be used to provide an indication of the temperature of a surface.

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patent: 20020158583 (2002-10-01), Lys et al.
patent: P2002-78367 (2002-03-01), None

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